European snow storm

An EgyptAir airplane lands as snowplows clear runways during a snowfall at Germany's Frankfurt Airport on Dec. 20. More than 1,000 flights at Germany's main airports in Frankfurt, Munich, and Berlin were canceled, and many more delayed, after up to 16 inches of fresh snow blanketed the country. Some 500 stranded passengers slept on cots at Frankfurt Airport. Alex Domanski/Reuters

A car is stuck in a ditch along a snow-covered road in Fechain, France, on Dec. 20, after heavy snow fell in northern France. Pascal Rossignol/Reuters

Youths throw snowballs in Stamford Bridge, England, on Dec. 2. Heavy snow caused travel chaos across much of northern Europe, keeping London's Gatwick Airport closed for a second day and disrupting road and rail travel in France, Germany, and Switzerland. Nigel Roddis/Reuters

A woman plays with her dog on snow-covered Brighton beach, England, on Dec. 2. Clive Gee/AP

A plow clears snow on the runways to reopen the airport as a British Airways plane is seen in the background at the London City Airport on Dec. 2. Akira Suemori/AP

A British Airways plane is parked as workers clear snow from the runways to reopen the airport at the London City Airport on Dec. 2. Akira Suemori/AP

A worker clears snow from a British Airways plane to be ready for reopening the airport at the London City Airport on Dec. 2. Akira Suemori/AP

A snowplow goes past a vehicle stranded by snow on the A57 road near Worksop, England, on Dec. 2. About 200 people were stranded on the road overnight and had to be rescued by mountain rescue crews after heavy snowfall, local media reported. Nigel Roddis/Reuters

People walk by vehicles that have been stranded for two days due to snow on the A57 road near Worksop, England, on Dec. 2. Nigel Roddis/Reuters

Trains approach Clapham Junction station through the snow in London on Dec. 2. Andrew Winning/Reuters

A car is stuck as a plow tries to get the snow off the road during a heavy storm near Neu Mukran on the island of Ruegen at the Baltic Sea, Germany, on Dec. 2. Large parts of Germany were hit by heavy snowfalls and icy winds. Jens Koehler/AP

Surfers walk along a snow-covered path as they leave the water at the Baltic Sea region of Timmendorf near Luebeck, Germany, on Dec. 2. Christian Charisius/Reuters

German police officers stand in heavy snow as they guard the Reichstag buildings in Berlin on Dec. 2. Security measures are still high due to terror threats against Germany. Markus Schreiber/AP

Cows stand in the snowy countryside near Chasne sur Illet, France, on Dec. 2. Nine regions in northwest and southeast France were put on a weather alert, warning of snow and ice. David Vincent/AP

A cyclist passes snow-covered trees on the Pyrenees route to Erro, Spain, on Dec. 2. Many parts of Spain registered freezing temperatures and snowstorms. Alvaro Barrientos/AP

A man walks on the Pyrenees route to Erro, Spain, on Dec. 2. Alvaro Barrientos/AP

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Chilean authorities had issued an orange alert on Monday because of increased activity at the volcano.

ByEva Vergara and Gabriela Ulloa, Associated PressMarch 3, 2015

Lautaro Salinas/AP

One of South America's most active volcanoes erupted early Tuesday in southern Chile, spewing heavy smoke into the air as lava surged down its slopes, prompting authorities to evacuate thousands of people.